Book cover "Mathematics in Riddles": watercolor illustration of a surprised boy among formulas and a question-mark cube

Mathematics in Riddles — children's book cover with brainteasers

A vibrant watercolor book cover titled "Mathematics in Riddles" shows a surprised boy surrounded by formulas, arithmetic examples and a floating cube marked with question marks. The illustration conveys curiosity and a playful, puzzling mood, inviting children to explore mathematics through riddles and engaging problem-solving activities.
Другие изображения
Young man with shoulder-length wavy hair in armor holds a broad sword before enormous white wings in a ruined temple.
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Cross-section of a Russian log house at night, with people inside and amber cracks glowing beneath the floor.
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Large children’s book with a wizard and young boy on its cover standing among fairy-tale books
Split portrait of a man: an older warrior with an eyepatch on the left and a young scarred man on the right.
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